Q.no.2 The number of wiring packages that can be assembled by a company’s employees has a normal distribution, with a mean equal to 16.4 per hour and a standard deviation of 1.3 per hour. a)What is the probability that a worker will produce at least 135 packages per 8-hour day? b) Suppose the company employs 10 assemblers of wiring packages. Find the mean and standard deviation of the company’s daily (8-hour day) production of wiring packages. ?

Q: 4.The weights of bags of cookies are normally distributed with a mean of 15 ounces and a standard…

A:

Q: A manufacturer knows that their items have a normally distributed length, with a mean of 15.9…

A:

Q: ) Find the probability that the length of time a person shows flu symptoms is at most 9 days. ) Find…

A: Let X denote the length of time a person shows flu symptoms. Given that X follows N(mean= 7.2, SD=…

Q: uppose the sediment density (g/cm) of a randomly selected specimen from a certain region in South…

A: Hey there! Thank you for posting the question. Since your question has more than 3 parts, we are…

Q: 5. The time between requests to a web server is exponentially distributed with a mean of 0.61…

A:

Q: 7. The nicotine content in a certain brand of cigarettes has a normal distribution with a mean…

A: GivenMean(μ)=1.4standard deviation(σ)=0.15

Q: rage life of a certain steel-belted radial tire is advertised as 60,000 miles. Assume that the life…

A: The corresponding z-value needed to be computed is:

Q: 4. Suppose the mean number of days to germination of a variety of seed is 22, with standard…

A: Given information: Mean number of days to germination of a variety of seed μ=22 Standard deviation…

Q: 5. The length of time, L hours, that a phone will work before it needs charging is normally…

A: Let L denote the length of time that a phone will work before it needs charging and it follows…

Q: A researcher studying frogs is investigating the distance that a certain species of frog can jump.…

A:

Q: The weights of the farm raised salmon sold at Costco are normally distributed with mean 4.5 pounds…

A: It is given that Mean = 4.5Standard deviation = 0.4

Q: 3.The number of flaws per square yard in a type of carpet material varies, with mean 1.6 flaws per…

A: Note: As per guidelines we are supposed to solve only one question at a time. Kindly repost the…

Q: 1. The University of North Carolina Chapel Hill received over 42,000 application for undergraduate…

A: Given, The high school GPA of freshmen has a normal distribution with mean, μ = 4.39 Standard…

Q: 10. Assume that a randomly selected subject is given a bone density test. Those test scores are…

A: Let X be a continuous random variable of bone density test score is normally​ distributed with a…

Q: Directions: Make a sketch of the "empirical rule" for this setting. a) What proportion of frog jumps…

A: It is given that  Mean, μ = 95 Standard deviation, σ = 10

Q: 1. Suppose the mean life span of a randomly selected Chihuahua dog is normally distributed with a…

A: Solution

Q: 4. Suppose the incubation period for land turtle eggs is normally distributed with a mean of sixty-…

A:

Q: The average price of cell phones manufactured by Ahmadi, Inc. is $100 with a standard deviation of…

A:

Q: ) Compute the expected number of arrivals per minute. b) Compute the standard deviation. c) What…

A:

Q: 7. Use R: Suppose the yearly income of people in Minnesota is normally distributed with mean 45,700…

A: Here, μ=45,700, σ=2,830, and n=10.

Q: Suppose that the number of gallons of milk sold per day at a local supermarket are normally…

A: Let X denote the number of gallons of milk sold per day. X ~ N(424.7,460.9609)

Q: The Boeing 727 airliner carries 200 passenger and has doors with a height of 72 inches. Height of…

A: Given,mean(μ)=69.5standard deviation(σ)=2.4

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.